CVE-2026-33811 Affecting buildah package, versions <2:1.33.14-4.module+el8.10.0+24510+6ea3880e


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.81% (53rd percentile)

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  • Snyk IDSNYK-CENTOS8-BUILDAH-17958809
  • published13 Jul 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-33811  (opens in a new tab)
CWE-1341  (opens in a new tab)

How to fix?

Upgrade Centos:8 buildah to version 2:1.33.14-4.module+el8.10.0+24510+6ea3880e or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream buildah package and not the buildah package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.

CVSS Base Scores

version 3.1